G - Physics – 09 – B
Patent
G - Physics
09
B
35/65
G09B 19/00 (2006.01) G09B 19/24 (2006.01)
Patent
CA 1109253
ABSTRACT OF THE DISCLOSURE An apparatus for simulating an arc welding operation, for training welders and for evaluating a welder's performance including a target representing a simulated weld to be made, mechanism for imparting predetermined motion to the target, a simulated welding tool including a simulated welding rod and a holder for the rod, said rod having a free end with an element adjacent thereto having properties capable of being sensed magnetically, a magnetic sensor assembly located adjacent to the target for movement therewith and including members capable of responding to the presence of the magnetic field produced by the magnetic element on the rod for producing responses depending upon the position of the simulated welding rod relatve thereto and the distance of the rod therefrom, said magnetic sensor assembly including angularly related pairs of opposed sensor members arranged to produce responses to represent the position of the simulated welding rod relative thereto in two different angularly related directions, each of said sensor members being capable of producing a response when in the field of the magnetic element, an electric circuit connected to the sensor members of the aforesaid pairs including circuitry for combining the responses produced by selected ones of the sensor members to produce electric signals respresentative of the position of the free end of the rod relative to the sensor members and representative of the distance between the rod and the sensor assembly, and a sensor element located on the rod holder, said sensor element being constructed and positioned to respond to the angular orientation of the simulated welding rod relative to the target. The present apparatus also includes an electric circuit for producing audible responses and/or visual indications to simulate and arcing condition and to indicate and record errors that an operator makes in following the target during a simulated welding operation.
306926
Alan) Swabey & Co. Alan (swabey & Cie.
Lenco Inc.
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